As more of them do, Mr Jobs reckons, the converts will tell other Windows users how safe Macs are (compared to Microsoft's buggy, virus-prone software) and how user-friendly (just try networking several Macs together, compared to several Windows machines).
The leading indicators the OECD uses for the UK include new car registrations, the Confederation of British Industry's business climate survey, a measure of the stocks of finished goods and a measure of consumer confidence, all weighted, added together and compared to an estimation of the trend.
"House prices remain relatively high compared to incomes and, together with more demanding deposit requirements, this is dissuading, or at least delaying, some first-time buyers from entering the market, " he said.